import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login'
import Home from '../components/Home'
import Welcome from '../components/Welcome'
import Users from '../components/users/Users'
import Rights from '../components/power/Rights'
import Roles from '../components/power/Roles'
import Cate from '../components/goods/Cate'
import Params from "../components/goods/Params"
import GoodsList from "../components/goods/GoodsList"
import Add from "../components/goods/Add"
import Order from "../components/Order/Order"
import Report from "../report/Report"

Vue.use(Router)


const router = new Router({
  routes: [
    {path: '/', redirect: '/login'},
    {path: '/login', component: Login},
    {
      path: '/home', component: Home,
      redirect: '/welcome',
      children: [
        {path: '/welcome', component: Welcome},
        {path: '/users', component: Users},
        {path: '/rights', component: Rights},
        {path: '/roles', component: Roles},
        {path: '/categories', component: Cate},
        {path: '/params', component: Params},
        {path: '/goods', component: GoodsList},
        {path: '/goods/add', component: Add},
        {path: '/orders', component: Order},
        {path: '/reports', component: Report}
      ]
    }
  ]
})
router.beforeEach((to, from, next) => {
  // to代表的是将要访问的路径
  //from代表的是从那个路径来
  //next代表的是一个函数,表示放行
  if (to.path === '/login') return next()
  //通过token来判断是否是login页面
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
//到处路由
export default router
